(19)
(11)
EP 2 938 577 A1
(12)
(43)
Date of publication:
04.11.2015
Bulletin 2015/45
(21)
Application number:
13867633.3
(22)
Date of filing:
20.12.2013
(51)
International Patent Classification (IPC):
C02F
5/08
(2006.01)
C23F
11/00
(2006.01)
(86)
International application number:
PCT/US2013/077324
(87)
International publication number:
WO 2014/105763
(
03.07.2014
Gazette 2014/27)
(84)
Designated Contracting States:
AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA ME
(30)
Priority:
28.12.2012
US 201213730523
(71)
Applicant:
Ecolab USA Inc.
St. Paul, Minnesota 55102 (US)
(72)
Inventor:
GILL, Jasbir S.
Naperville, Illinois 60564 (US)
(74)
Representative:
Godemeyer Blum Lenze Patentanwälte Partnerschaft mbB - werkpatent
An den Gärten 7
51491 Overath
51491 Overath (DE)
(54)
CORROSION AND FOULING MITIGATION USING NON-PHOSPHORUS BASED ADDITIVES